Home / 880,464.56-1,321,288.68-311,843.60

Finding the Fourth Proportional to 880,464.56, 1,321,288.68 and 311,843.60

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Solution

The fourth proportional to 880,464.56, 1,321,288.68 and 311,843.60 is: 467,975.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,464.56 : 1,321,288.68 = 311,843.60 : x
  2. Step 2: Convert to fraction form
    880,464.56/1,321,288.68 = 311,843.60/x
  3. Step 3: Cross multiply
    880,464.56x = 1,321,288.68 × 311,843.60
  4. Step 4: Simplify right side
    880,464.56x = 412,035,418,610.45
  5. Step 5: Solve for x
    x = 412,035,418,610.45/880,464.56
  6. Step 6: Final answer
    x = 467,975.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.